# Upskill vs One School Workbook

The clearest difference is iOS requirement: Upskill at 13.0 against One School Workbook's 18.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Upskill ships an update fortnightly, One School Workbook every 4 weeks. The most recent releases landed on November 14, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Upskill | One School Workbook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free | — |
| Size | 31 MB | 57 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cambridge University Press & Assessment (App)](https://appshunter.io/developer/345571525) | [One School](https://appshunter.io/developer/1683002193) |

## What reviewers say

### Upskill

[App page](https://appshunter.io/ios/app/upskill-english-test/id6670311414)

This app provides a flexible and affordable way to test your English language skills on mobile or web. It covers all four core skills and uses AI for fast, reliable results. Prove your English proficiency to employers with this modern testing solution.

**Highlights:** Tests speaking, writing, reading, and listening, Remote proctoring for security, AI-based marking for fast results, Flexible, affordable, and modular testing, Regional workplace context, Global standards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### One School Workbook

[App page](https://appshunter.io/ios/app/one-school-workbook/id6749285744)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Upskill free?

Upskill is free to download, with no in-app purchases.

### Is One School Workbook free?

One School Workbook is free to download, with no in-app purchases.

### Do Upskill or One School Workbook have ads?

Neither Upskill nor One School Workbook shows ads.

### Which is updated more often, Upskill or One School Workbook?

Upskill ships an update fortnightly, and One School Workbook every 4 weeks. Most recently, Upskill was updated on November 14, 2026 and One School Workbook on November 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*